Cooling device



FIG. 1 is a perspective view of the top of a cooling device showing mynew design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear view being a mirrorimage;

FIG. 4 is a left side elevational view thereof, the right sideelevational view being a mirror image; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a cooling device, as shown and described.